CN1023306C - 一种包装材料及其制造的包装容器 - Google Patents
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Abstract
一种片状挠性材料,用于制造尺寸稳定、不透液体的包装容器。这种材料包括由充填矿物质的热塑塑料,最好是聚丙烯组成的载体层。为增加刚性,在该载体层一侧,最好是面朝预定容器的内面上设置凹凸状表面图案,该图案由许多密集的相互交叉或连接的隆起部分所组成,在隆起部分之间限定了较深的平面。
Description
本发明涉及一种片状或条状、用于改装包装容器的挠性材料。本发明还涉及一种由此种材料制成的包装容器和/或部件。
在包装技术里,一种不可重复利用的包装已在包括液体食品象牛奶、果汁等的包装和运输中使用了很长一段时间。大量的这些所谓不可重复利用的包装由一种纸或具有热塑塑料的内、外覆盖层硬纸板载体层组成的材料制成。这些包装材料也经常使用其它材料载体层,如铝箔或除这里提到之外的其它塑料覆盖层。
包装材料组成的选择是基于这样一种要求,希望为所包装的产品提供尽可能好的保护措施,同时给予该包装足够的机械强度和耐用性,以便使该包装经得住在正常装卸过程中所受的外部压力。为了获得机械刚性,一方面对产品提供机械保护措施,另一方面尽可能使该包装具有尺寸的稳定性,以便可以无困难地并且用人工抓取装卸,这种包装材料,常常具备相当厚的纸或硬纸板载体层。但是,这种材料对于水或气体来说不具有密封性,而且当它受潮或遇液体时,很快失去其稳定性。为了使这种材料对液体具有要求的密封性,常常在载体层的两边提供一种塑料的不透液覆盖层,如果这种塑料是热塑塑料,则通过所谓的热封方法,该覆盖层也可用来相互密封该塑料覆盖层。用这种方法,将不透液的覆盖有热塑塑料,搭接的材料板热封在一起,并用机械耐久的密封联接,可使包装密封,并永久地固定在它们预期的形状。
目前这里所涉及的这种不可重复利用包装是在新的合理包装机的帮助下制造的,它从片材或预制的包装材料半成品,以高生产率进行成形、充注和封闭已成形的包装。例如,该包装从片材开始生产,通过将片材的轴向边缘以搭接的形式连接在一起,形成一管子,该管用预定的容量充注,并通过反复整平和垂直于该管纵轴密封该管,将该管分成
若干个密封的包装单元。接着,这些包装单元在横向封接区域彼此切断,并进一步折弯和密封,获得要求的几何形状。
以上述方法制造包装之际,当材料折弯时,由于载体层材料相当厚,薄片状材料经受很大的应力,折弯意味着一部分塑料覆盖层往受很强的拉伸应力,同时另一部分塑料覆盖层沿折弯线却被压缩至一相当程度。由于塑料覆盖层具有很大的延展性,所以,该材料的这种折弯,极难在延伸的塑料覆盖层中导致断裂或引起渗漏的其它损坏。但是,如果包装材料还包括一种铝箔,这个问题就加剧了,因为铝箔与塑料层相比,其延展性小得多,因此当材料被折弯时,必然出现断裂。
这种材料即使单向180°折弯,一般也不会有任何严重的后果,如果该材料沿二条交叉拆缝线(所谓相交)折弯的话,会出现相当大的困难。无论它们是从片材还是从预制的半成品进行制造,这是经常出现在这种包装外部密封区域的情况。一般沿相互待密封的边缘区域,通过加热至熔化面对包装内侧的塑料覆盖层进行这种密封,然后加热过的塑料覆盖层相互压接,以便通过该材料熔合在该包装外面,形成一固定在一起的密封凸棱。这种密封凸棱由二层材料组成,并且为了使该凸棱不会形成一种障碍,它常常被折下,平直地靠在包装外面,这意味着密封凸棱中的一层材料经受180°的折弯,并且在折下密封凸棱区域的包装壁由三层材料组成,也就是说,具有三层折弯材料的厚度。这种密封凸棱于常沿一个或多个包装侧面布置,例如当形成平行六面体包装时,由于这些侧面沿垂直于密封凸棱的折缝线经受180°折弯。所以,在该包装的一定区域里,材料的厚度上升至薄片厚度的六倍。这种相对密封区域180°横向折弯处,位于最外的材料层将伴随延展经受很强的拉伸应力,并且在该材料的成形连接处增加了破裂的风险。这种拉伸应力经常是很大的,以致于破裂不仅出现在该材料的铝箔层里,而且还出现在该热塑塑料覆盖层里,伴随着包装的液体渗漏,这些液体很快地被因破裂而暴露的载体层吸收,因此损割了该材料的良好刚性。
上述这种缺点,很大程度上归因于普通包装材料纸或硬纸板的湿敏性,同时,该包装材料必须做得相当地厚,以便给予制成的包装容器必要的机械刚性。本发明提供的包装材料可以避免上述缺点。
本发明提供了一种挠性包装材料,它由可变形、可热封塑料的片材组成,该塑料通过塑性变形,在其至少一面上提供凹凸图案,该图案由许多密集的凸陷和/或凸起部分组成,以便提高该包装材料的刚性。这种包装材料是层叠的,其中塑料作为载体层。
本发明已发现由可变形,可热封的塑料载体层组成的包装材料,即使在载体层至少一面上提供通过其塑性变形,产生凸凹表面图案,其刚性也可以大大地改善,尤其已发现本发明的包装材料,以类似的材料厚度与由相同材料而无凹凸图案,也就是说平坦的载体层组成的包装材料相比,呈现的挠曲阻力明显地更好,高出30%或更高。根据本发明获得某部分尺寸固定,可以认为是由于可变形塑料当其变形形成上述表面图案时,分子进行定向伸展,有助于增加刚性。
用于载体层的材料可以适当地由添加象碳酸钙、硫酸钙、滑石、云母等矿物细粒的热塑塑料组成,以便获得一种良好的材料刚性。同时,使用的热塑塑料的数量可以减少,从而降低材料成本。本发明的一种特别有利的热塑塑料由聚丙稀材料组成,例如,一种聚丙烯的均聚物或共聚物,其熔流指数依照美国材料试验学会(ASTM)实验值从0.5到5,例如聚丙稀-聚乙烯共聚物,最好包含一些合适的填料,例如一种钙盐,象硫酸钙或碳酸钙,其数量在50%和80%之间,最好是65~70%。
该凹凸图案可采取由一些凸条邻接的凸部形式。该凹部与凸条可平行设置,这些凸条可相互相交,以便这些凸部分成若干单独的小室。因此,这种凹凸状,即,在载体层至少一面提供的刚性表面图案包括例如,升高的表面部分或者相互交叉或连联的隆起部分。这些隆起部分限定的较深的中间部分位于相互凹进的表面或有类似规则的几何形状,例如正方形,五边形,六边形等。
这些上述的位于平面较深处由凹部分或小室形成的平面宽度最好不大于10,000μm,更好的情况是不大于5,000μm,上述宽度的最佳值不大于3,000μm。这些凹部或小室的长度仅受包装材料的尺寸限制,但这些小室的长度最好不大于其宽度的五倍,更好的情况是不大于三倍。上述凹部或小
室的宽度最好不小于10μm,更好的情况是不小于100μm,例如不少于500μm。
为了便于该包装材料的折弯,依照本发明,当制造包装容器时,在该材料上可合理地设有任意图案的折缝线(窄的、平而薄的区域),这些折缝线沿包装材料的相应区域被表面图案间断或略去。
当该载体层的表面有图案侧用表面对已加工完毕的包装容器内面时,沿包装材料的这种区域。该载体层的图案侧也具有平坦的表面部分,当制造上述容器时,这些平坦表面部分用来相互连在一起并密封。其结果是明显改善获得机械耐久性和沿上述区域不透液密封的前提。
本发明将通过下面例举的最佳实施例,并参照附图进行详细地说明。
其中:
图1表示本发明片状包装材料的边缘部分;
图2表示由图1所示包装材料制成的包装容器的顶部;
图3以放大的比例表示图1中用圈标出的局部暴露区域所示材料;
图4表示图1中沿Ⅳ-Ⅳ线的放大截面图;
图5表示图1中沿Ⅴ-Ⅴ线的放大截面图;
图6表示图1中沿Ⅵ-Ⅵ线的放大截面图;
图7表示本发明的变更实施例相应于图6的放大截面图;
图8示意地表示制造本发明包装材料的设备。
图1表示对应于本发明片状密合材料1的部分边缘部分,在此选择的例子中,用来制成图2所示的平行六面体包装2。正如前面提到的,包装2是这样制造的:首先,将二个长边区域3(图1中只表示了一边)搭接在一起,以形成一管子,然后充注预定的容量。通过反复整平和以垂直于该管的纵轴方向沿窄小的横向区域4密封该管,接着将该充注的管子分成各个包装单元。最后,这些包装单元在横向密封区域4彼止切断,并进一步成形和密封操作获得希望的最后形状。
本发明的材料1包括一可变形、可热封的塑料载体层5(图3至6),最好是上述提到的包含50至80%,最好是65~70%碳酸钙或碳酸钙的聚丙烯-聚乙烯共聚物。该载体层5在其一面例如设置在面朝包装2那一侧,提供凹凸状表面图案,该图案由升高的表面部分6相互交叉或联接组成,在它们之间限定了较深的一定形状的平面7,例如图3所示的六边形。这类表面图案进一步提高了载体层5的刚性,并且改善了由材料1制造包装2的前提,即良好的尺寸稳定性。由载体层5的上述侧边塑性变形形成的较深处平面7的形状并不严格,但是就小尺寸而言,所述形状可能变化,并可采取其它合适的形状,例如正方形平面。在较大尺寸情况下,尽管已发现有五边形凹凸表面图案,但中间的平面最好是上述的六边形或正方形表面图案,因为这种五边形图案当它经受挠曲的或压缩的应力时,完全摆脱了自然变薄线,沿这条线该材料可能断裂。
图4至图6表示得很清楚,升高表面部分或隆起部分6沿材糖1的适宜区域被间断或省去,以便分别形成纵、横向窄而薄的平面区域8和9,这些区域用来上述提到的在制造包装时便于材料1的折弯。
图5和图6表示载体层5的表面图案侧沿材料纵向边缘区域3和沿横向密封区域4,也就是说沿制造包装2的材料用来相互连在一起并密封的区域也具有非凹凸表面图案的平面部分,以便有可能将这些区域相互平等联接在一起,由此改进沿这些区域实现机械的耐久性和不透液的先决条件。
正如前面提到的,在此选择的例子中,载体层5的表面图案侧用来面朝包装2的内面。在材料1的这种应用里已发现,如果上述载体层侧被层压在其上的高弹性模量或低延展率的材料层10覆盖,那么,可以进一步改进由表面图案产生的刚性增加,这种增加刚性层10可以如此形成,例如,铝箔通过具有良好粘性的合适材料制成的中间密封层11,分别沿材料的纵、横向密封区域3和4,使之与升高部分6的顶部以及载体层5的平面部分隔绝。在这种情况下,铝箔10平坦的靠在升高部分6的顶部并起衬垫元件作用,它有效的保持了这些表面部分或隆起部分之间的距离,因此当用手抓取该包装2时,抵制了该包装两侧的任何凹陷。
图7表示了本发明变更实施例的材料对应于图6所示位置的截面,为了清楚起见,这里采用与上述相同的参考序号,以便直接进行各零件比较。图7所示的材料,不同于前述实施例,其中平面横向密封区域4的设计,便于它位于与周围隆起部分6的顶部同一本面内,当制造包装时,在包装材料的
上述区域中,进一步有利于形成良好的不透液横向密封。如上述建议,形成的表面图案的尺寸及形状可以变化,但从本发明已实施的实际实验中发现,升高部分或隆起部分6的高度一般应在200-800μm数量范围,最好是300-500μm,同时载体层5的平面部分的材料厚度应在50-400μm数量范围,最好是150-200μm,以便给予材料预定的刚性,并使得有可能制造一定尺寸的刚性包装,该包装易于装卸和人工抓取。
根据本发明,借助于图8所示的设备可以制造上述的片状材料1。利用带有一合适尺寸片模的挤压机12,挤压加热至软化或开始熔化(约180-300℃)的热塑塑料块,该塑料包含聚丙烯和聚乙烯的共聚合物,其熔流指数按美国材料试验学会实验值为0.5到4,并包含50至80%、最好为65-70%的细粒钙盐填料。挤出的平坦、仍柔软的薄片13,其材料厚度在50到400,最好是150-200μm,通过配合的冷压辊14和15之间的间隙,在辊子14表面上呈现具有升高表面部分或模型的凹凸表面图案,辊子14压在通过的材料薄片上,通过塑性变形,在薄片的一侧形成附加的表面图案,而薄片的另一侧通过该对辊子的间隙后,不受任何影响。通过该对辊子之后,薄片上加图案侧用一薄铝箔10(约10μm)覆盖,借助于挤出的热封材料中间层11,该混合层通过另一对配合的冷压辊之间的间隙,使该铝箔永久地连在载体层有图案侧的升高表面部分的顶部和连在位于这些有图案部分之间的平面部分上。
Claims (14)
1、一种挠性包装材料,它包括由可变形、可热封塑料的片材组成,该塑料片材在其至少一面上提供一整体形成的、由许多密集的凹部(7)和/或凸出部分组成的凹凸图案,以便增加包装材料的刚性,其特征在于:该塑料是充填矿物质的热塑塑料,以及该凹凸图案通过塑性变形而形成,以进一步增强该包装材料的刚性。
2、如权利要求1所述的包装材料,其特征在于:该塑料片材的厚度为200至800μm。
3、如权利要求1或2所述的包装材料,其特征在于:在包装材料的区域(8,9)中,凹凸图案被间断或省去,以便形成窄面薄的区域,有利于折弯。
4、如上述任一条权利要求所述的包装材料,其特征在于:在包装材料的区域(3,4)中,凹凸图案被间断或省去,以便形成包装材料的纵、横向的平坦表面部分,该表面部分用于相互密封。
5、如权利要求4所述的包装材料,其特征在于:所述的横向表面部分(4)位于与相邻凹凸图案顶部同一平面里。
6、如上述任一条权利要求所述的包装材料,其特征在于:凹凸图案通过降起部分(6)相互交叉或相互连接形成。
7、如权利要求6所述的包装材料,其特征在于:隆起部分限定了厚度较薄、并位于隆起部分之间的平面(7)。
8、如权利要求7所述的包装材料,其特征在于:所述的许多平面(7)是相同或类似的,并具有规则的几何形状。
9、如前述任一权利要求所述的包装材料,其特征在于:充填矿物质的热塑塑料由含有50至80%硫酸钙或碳酸钙的聚丙烯均聚物或共聚物组成。
10、如权利要求9所述的包装材料,其特征在于:所述的百分率为65至70%。
11、如上述任一条权利要求所述的包装材料,其特征在于:该包装材料是层迭结构,其中所述的可热封塑料形成带一层或多层辅助层(10)的载体层。
12、如权利要求11所述的包装材料,其特征在于:所述载体层附有表面图案侧被层迭在该载体层上的高弹性模量或低延展性材料层(10)所覆盖。
13、如权利要求12所述的包装材料,其特征在于:所述覆盖层是铝箔。
14、根据权利要求1至13中任一条所述的包装材料制成的包装容器或其部件。
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE467772B (sv) | 1991-01-09 | 1992-09-14 | Tetra Alfa Holdings | Foerpackningsmaterial jaemte anvaendning av materialet foer framstaellning av behaallare |
SE468635B (sv) * | 1991-01-09 | 1993-02-22 | Tetra Alfa Holdings | Foerpackningsmaterial jaemte anvaendning av materialet foer framstaellning av behaallare med goda syrgastaethetsegenskaper |
SE502399C2 (sv) * | 1991-02-14 | 1995-10-16 | Tetra Laval Holdings & Finance | Med öppningsanvisning försedd förpackningsbehållare |
SE502398C2 (sv) * | 1991-03-07 | 1995-10-16 | Tetra Laval Holdings & Finance | Kantförstärkt förpackningsbehållare |
SE502397C2 (sv) * | 1991-05-03 | 1995-10-16 | Tetra Laval Holdings & Finance | Förpackningslaminat med goda förseglings- och barriäregenskaper samt av förpackningslaminatet framställda förpackningsbehållare |
CH687144A5 (de) * | 1994-01-11 | 1996-09-30 | Walter Bucherer | Archivierungsmittel. |
LT3888B (en) | 1994-05-11 | 1996-04-25 | Tetra Laval Holdings & Finance | Stengthened adge packaging container |
SE503007C2 (sv) * | 1994-08-04 | 1996-03-11 | Tetra Laval Holdings & Finance | Sätt och anordning för framställning av banformig plastfolie |
US5704886A (en) * | 1995-06-02 | 1998-01-06 | International Paper Company | Method and apparatus for scoring paperboard package sheets |
US5718024A (en) * | 1996-02-05 | 1998-02-17 | Reynolds Consumer Products, Inc. | Closure arrangement with tapered flange |
US5843374A (en) * | 1996-10-11 | 1998-12-01 | Tetra Laval Holdings & Finance, Sa | Method and apparatus for sterilizing packaging |
US5730934A (en) * | 1996-10-11 | 1998-03-24 | Tetra Laval Holdings & Finance S.A. | Method and apparatus for sterilizing packaging TRX-349 |
US6178723B1 (en) | 1999-06-07 | 2001-01-30 | L&P Property Management Company | Method of packaging a bedding product |
US6405764B1 (en) | 2001-02-21 | 2002-06-18 | The Coca-Cola Company | System and method for packaging of beverages in containers at controlled temperatures |
US6779318B2 (en) | 2001-02-21 | 2004-08-24 | The Coca-Cola Company | System and method for continuously forming, sealing and filling flexible packages |
US6443189B1 (en) | 2001-02-21 | 2002-09-03 | The Coca-Cola Company | Valve assembly for filling containers |
CH696167A5 (fr) * | 2002-12-04 | 2007-01-31 | Fromageries Bel S A | Emballage de conditionnement étanche pour produit pâteux. |
CN107097468B (zh) * | 2017-04-24 | 2020-03-10 | 常德金德镭射科技股份有限公司 | 一种保润包装箱 |
CN110936690A (zh) * | 2019-12-25 | 2020-03-31 | 广州市瑞高包装工业有限公司 | 一种铝塑复合片材及制备方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191419107A (en) * | 1914-08-26 | 1915-08-26 | Sidney David Lane | Improvements in or relating to Corrugated or like Packing Material. |
FR1174287A (fr) * | 1956-04-18 | 1959-03-09 | Thomson Houston Comp Francaise | Procédé de fabrication des méthyldihalogénosilanes |
US3142599A (en) * | 1959-11-27 | 1964-07-28 | Sealed Air Corp | Method for making laminated cushioning material |
FR1524796A (fr) * | 1966-05-23 | 1968-05-10 | Du Pont | Structures nervurées en résine thermoplastique, leur procédé de fabrication et articles produits à partir de ces structures |
GB1200190A (en) * | 1966-07-26 | 1970-07-29 | Diamond Shamrock Corp | Improvements in or relating to containers |
GB1142773A (en) * | 1967-08-10 | 1969-02-12 | Inland Container Corp | Container |
NL6908309A (zh) * | 1968-06-07 | 1969-12-09 | ||
US3727825A (en) * | 1971-03-19 | 1973-04-17 | Pamark Inc | Plastic container |
US3907193A (en) * | 1974-04-08 | 1975-09-23 | Autoplex Corp | Plastic folding containers and process and apparatus for making same |
GB1554144A (en) * | 1975-06-07 | 1979-10-17 | Plastona Waddington Ltd John | Plastic skillet containers |
GB1554149A (en) * | 1975-06-26 | 1979-10-17 | Plastona Waddington Ltd John | Plastic sheet material |
AU484065B2 (en) * | 1975-09-10 | 1975-12-04 | Sealed Air Corporation | Protective containers |
JPS5746743A (en) * | 1980-08-29 | 1982-03-17 | Mitsui Petrochemical Ind | Corrugated cardboard sheet in synthetic resin |
US4386926A (en) * | 1981-02-17 | 1983-06-07 | Joel Heller | Relatively rigid sheet plastic folding method, apparatus and article |
JPS63281965A (ja) * | 1987-05-01 | 1988-11-18 | Achilles Corp | リブ状模様の付与されたシ−ト状物 |
JPS63281966A (ja) * | 1987-05-01 | 1988-11-18 | Achilles Corp | リブ状模様の付与されたシ−ト状物 |
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1988
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1989
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- 1989-07-19 HU HU893670A patent/HU204013B/hu not_active IP Right Cessation
- 1989-07-26 JP JP1193791A patent/JP2833708B2/ja not_active Expired - Lifetime
- 1989-07-27 YU YU150689A patent/YU47762B/sh unknown
- 1989-07-28 CS CS894551A patent/CS277457B6/cs unknown
- 1989-07-31 MX MX1699689A patent/MX172644B/es unknown
- 1989-07-31 RU SU894614710A patent/RU1831459C/ru active
- 1989-07-31 UA UA4614710A patent/UA13383A/uk unknown
- 1989-07-31 KR KR1019890010873A patent/KR940005805B1/ko not_active IP Right Cessation
- 1989-07-31 BR BR8903824A patent/BR8903824A/pt not_active IP Right Cessation
- 1989-07-31 RO RO141073A patent/RO105927B1/ro unknown
- 1989-07-31 AR AR31454989A patent/AR245646A1/es active
- 1989-07-31 US US07/387,284 patent/US5158816A/en not_active Expired - Fee Related
- 1989-07-31 CA CA 607044 patent/CA1319483C/en not_active Expired - Fee Related
- 1989-08-01 PL PL89280859A patent/PL162200B1/pl unknown
- 1989-08-01 EP EP19890307804 patent/EP0353991B1/en not_active Expired - Lifetime
- 1989-08-01 CN CN89106370A patent/CN1023306C/zh not_active Expired - Fee Related
- 1989-08-01 AT AT89307804T patent/ATE105815T1/de not_active IP Right Cessation
- 1989-08-01 PT PT91339A patent/PT91339B/pt not_active IP Right Cessation
- 1989-08-01 ES ES89307804T patent/ES2056219T3/es not_active Expired - Lifetime
- 1989-08-01 DE DE1989615362 patent/DE68915362T2/de not_active Expired - Fee Related
-
1993
- 1993-11-17 LV LVP-93-1247A patent/LV11155B/lv unknown
-
1994
- 1994-01-27 LT LTIP1809A patent/LT3755B/lt not_active IP Right Cessation
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